CN109187104B - High-flux deep sea water sampling and graded filtering system - Google Patents

High-flux deep sea water sampling and graded filtering system Download PDF

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Publication number
CN109187104B
CN109187104B CN201810840883.5A CN201810840883A CN109187104B CN 109187104 B CN109187104 B CN 109187104B CN 201810840883 A CN201810840883 A CN 201810840883A CN 109187104 B CN109187104 B CN 109187104B
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deep sea
pump
end cover
sea pump
support
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CN109187104A (en
Inventor
陈永华
刘庆奎
李晓龙
姜静波
倪佐涛
姜斌
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Institute of Oceanology of CAS
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Institute of Oceanology of CAS
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/02Devices for withdrawing samples
    • G01N1/10Devices for withdrawing samples in the liquid or fluent state
    • G01N1/18Devices for withdrawing samples in the liquid or fluent state with provision for splitting samples into portions
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/02Devices for withdrawing samples
    • G01N1/10Devices for withdrawing samples in the liquid or fluent state
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/02Devices for withdrawing samples
    • G01N1/10Devices for withdrawing samples in the liquid or fluent state
    • G01N2001/1006Dispersed solids
    • G01N2001/1012Suspensions
    • G01N2001/1025Liquid suspensions; Slurries; Mud; Sludge
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/02Devices for withdrawing samples
    • G01N1/10Devices for withdrawing samples in the liquid or fluent state
    • G01N2001/1031Sampling from special places
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/02Devices for withdrawing samples
    • G01N1/10Devices for withdrawing samples in the liquid or fluent state
    • G01N2001/1087Categories of sampling

Abstract

The invention relates to ocean sampling equipment, in particular to a high-flux deep sea water sampling and graded filtering system which comprises a mounting frame, and a filtering device, a fixing clamp, a flowmeter, a control and power supply device and an integrated deep sea pump which are respectively arranged on the mounting frame, wherein the filtering device comprises an upper cover, a flow guide mechanism, a tensioning mechanism, a bottom support, a multi-stage filter membrane and a supporting net; the control and power supply device is connected with the integrated deep sea pump through a watertight cable, and the filtering device is provided with a plurality of layers of filter membranes so as to realize graded filtering; the integrated deep sea pump can work in situ in deep water. The invention can carry out high-flux in-situ fractional filtration in deep sea and has the advantages of saving ship time, obtaining samples in situ and the like.

Description

High-flux deep sea water sampling and graded filtering system
Technical Field
The invention relates to ocean sampling equipment, in particular to a high-flux deep sea water sampling and graded filtering system.
Background
The research on the suspended particles in the deep sea (including deep sea planktonic microorganisms, trace elements and the like) is of great significance, the suspended particles in the sea are the main source of sediments, and the suspended colloid is the true representative of the substances being deposited in a given basin at a specific time; the suspended particles are also main carriers for conveying a plurality of elements from surface water to bottom water, play an important role in element conveying, circulating and removing and are a form of occurrence of the elements; the amount of suspended particles on the surface of the ocean affects the transparency of the water and the thickness of the true light layer, thereby affecting the photosynthesis and primary productivity of plankton; the suspended particles can be used as the food of micro-organisms, and the inorganic particles and organic debris can be used as the main food source of benthos after reaching the seabed; seismic or turbidity currents can cause large amounts of sediment to be suspended, greatly increasing the density of the bottom water and often altering the temperature and salinity of the bottom water. For example, the planktonic microorganisms in the deep sea are a deep sea resource which is recognized by human beings in recent years, and have important research significance in many aspects such as origin of life, discovery of new genes, development of new medicines, environmental protection and the like, and meanwhile, the planktonic microorganisms in the deep sea are not only used as biological indicators of environmental pollution, but also can reflect the potential influence of the environmental conditions where the planktonic microorganisms live on the human health. The research on trace elements in the ocean particles is also important, and the trace elements in the ocean play an important role in the functions of a plurality of phytoplankton metalloproteins; some trace elements in the ocean, such as mercury and lead, can be harmful to both the marine organism itself and its consumers. The first condition for researching deep sea suspended particles (including planktonic microorganisms, trace elements and the like) is to obtain a certain amount of suspended particle samples with in-situ characteristics. The traditional method mainly adopts a deep-sea water sampler to collect water, and the water is lifted to a laboratory on a ship to be filtered to obtain a sample. Due to the low content of suspended particles or plankton communities or microorganisms in most of the water areas in the ocean, it is sometimes necessary to collect hundreds of liters of water to 1000 liters for research, and more water samples, even up to 4000 liters, may be required for research in the depths of the ocean. The volume of the sampling bottle is limited, so that a sufficient number of samples and a complete biological community combination are difficult to obtain to meet the requirements of analysis and research; that is, it is sometimes difficult for the samples obtained by conventional sampling to meet the sample requirements of rapidly developing earth science, environmental science, marine biology and marine resource research. In addition, in some cases, in order to research the condition of suspended particles or marine planktonic microorganisms at a certain station in deep sea, deep water sampling needs to be carried out for many times, and a single deep sea water taking needs to be carried out for several hours, so that the working time of the scientific investigation ship is greatly prolonged. The ocean test ship costs more than ten thousand yuan per hour, the deep sea water sampler needs cooperation of a plurality of people for water collection, and the laboratory filtration on the ship is very time-consuming, so that the manpower and the financial resources are greatly wasted. Therefore, in order to meet the requirement of obtaining samples in deep sea suspended particulate research, a simple, efficient and strong-universality in-situ sampling method and technology need to be researched and developed.
Disclosure of Invention
In order to develop the research on the deep sea suspended particles and meet the requirement of filtering deep sea water samples in large quantity, the invention aims to provide a high-flux deep sea water sampling and graded filtering system.
The purpose of the invention is realized by the following technical scheme:
the integrated deep sea pump comprises a mounting frame, and a filtering device, a fixing clamp, a flowmeter, a control and power supply device and an integrated deep sea pump which are respectively mounted on the mounting frame, wherein the filtering device comprises an upper cover, a flow guide mechanism, a tensioning mechanism, a bottom support, a multi-stage filter membrane and a support net; the control and power supply device is connected with the integrated deep sea pump through a watertight cable to control the integrated deep sea pump to work, seawater is pumped to the filtering device through the integrated deep sea pump, is guided by the guide mechanism and then is filtered through the multistage filter membrane and the filter membrane in the supporting net, and the filtered seawater flows to the flowmeter through the water outlet;
wherein: the periphery of the flow guide mechanism is provided with a flow guide shell which is respectively connected with the upper cover, the filter membrane and the support net in a sealing way, the middle of the flow guide shell is uniformly provided with a plurality of flow guide holes, and the flow guide shell, the filter membrane and the support net in the support net are connected with the upper cover and the bottom support through tensioning mechanisms;
the filter membranes and the support nets in the support nets are positioned at the periphery, the filter membranes are positioned in the middle, and the sealing is realized between the adjacent support nets, between the support nets and the bottom support and between the support nets and the flow guide mechanism through O-shaped rings;
a flow type diffusion mechanism arranged on the bottom support is arranged below the filter membrane and the support net at the lowest stage;
the tensioning mechanism comprises a tensioning bolt and a nut, the tensioning bolt penetrates through the bottom support, the filter membrane, the support net in the support net, the flow guide mechanism and the upper cover and is locked and fixed through the nut;
the fixing clamp comprises an upper pressing plate, an upper clamping plate, a rotating shaft A, a supporting rod, a lower clamping plate, a lower pressing plate, a rotating shaft B and a fastening screw, wherein two ends of the supporting rod are respectively hinged with one end of the upper pressing plate and one end of the lower pressing plate through the rotating shaft A; the other end of the lower pressing plate is hinged with a fastening screw through a rotating shaft B, and the fastening screw is clamped and fixed at the other end of the upper pressing plate after the upper pressing plate and the lower pressing plate rotate and are aligned together; the upper clamping plate and the lower clamping plate are respectively arranged on one side opposite to the upper pressing plate and the lower pressing plate, and are respectively aligned together along with the rotation of the upper pressing plate and the lower pressing plate to clamp the cable in the middle;
the control and power supply device comprises an acquisition controller, a power supply sealing cabin body and a watertight connector, wherein the sealing cabin body comprises a cylinder, a left end cover, a right end cover and a sacrificial anode, the left end and the right end of the cylinder are respectively connected with the left end cover and the right end cover in a sealing manner, and the watertight connector and the sacrificial anode are respectively arranged on the left end cover or the right end cover; the acquisition controller and the power supply are respectively arranged in the sealed cabin body, and the acquisition controller is connected with the power supply and is respectively connected with the watertight connector;
the integrated deep sea pump comprises a sealing device, a direct current motor, a pressure buffering device, a connecting shaft, a pump head and a deep sea pump water tight joint plug-in, wherein the sealing device comprises a deep sea pump cylinder, a deep sea pump left end cover and a deep sea pump right end cover which are respectively connected to the left end and the right end of the deep sea pump cylinder in a sealing mode, filling oil is filled in the sealing device, the direct current motor is contained in the sealing device, the shaft end of the direct current motor is abutted to the inner side of the deep sea pump right end cover, and a pressure pad and a pressure plate are sequentially pressed between the tail end of the direct current motor and the deep sea pump left end; the pressure buffering device comprises a plurality of through rods, a hoop and a rubber tube, the through rods are hermetically mounted on the left end cover of the deep sea pump, one end of each through rod is positioned on the outer side of the left end cover of the deep sea pump and is in sealing butt joint with the outer side surface of the left end cover of the deep sea pump, the other end of each through rod is positioned on the inner side of the left end cover of the deep sea pump, the rubber tube is immersed in filling oil, two ends of each rubber tube are mounted on the other ends of any two through rods through the hoop respectively, the inside of the rubber tube is communicated with the outside of the sealing device through the through rods, and the inside and the outside of the sealing device are kept to have the same pressure; the connecting shaft is hermetically arranged on the right end cover of the deep sea pump, one end positioned in the right end cover of the deep sea pump is connected with a rotating shaft of the direct current motor arranged on the right end cover of the deep sea pump, and the other end positioned outside the right end cover of the deep sea pump is connected with a pump head arranged on the right end cover of the deep sea pump; the deep sea pump water tight seal plug-in is arranged on the left end cover of the deep sea pump and is electrically connected with the direct current motor;
the deep sea pump is characterized in that a skeleton oil seal is arranged on the right end cover of the deep sea pump, the skeleton oil seal penetrates through the connecting shaft, the connecting shaft is connected with the right end cover of the deep sea pump in a sealing mode through the skeleton oil seal, and a pump head fixing screw hole for fixing a pump head is axially arranged on the outer side of the right end cover of the deep sea pump;
the mounting frame comprises a support frame body, a fixing plate and a mounting clamp, the support frame body is a rectangular frame body, and the fixing plate is welded and fixed on the inner side of the support frame body; the installation card is U-shaped, and the flowmeter, the control and power supply device and the integrated deep sea pump are respectively fixed on the installation card.
The invention has the advantages and positive effects that:
1. the efficiency is high; the invention samples large volume once when the device is put under water, and filters in multiple stages to obtain samples with different specifications once.
2. The fidelity is strong; the invention can sample and filter in situ under water, and has strong fidelity.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a cross-sectional view of the filter assembly of FIG. 1;
FIG. 3 is a schematic view of the retaining clip of FIG. 1;
FIG. 4 is a schematic structural diagram of the control and power supply apparatus shown in FIG. 1;
FIG. 5 is a schematic structural view of the integrated deep sea pump of FIG. 1;
FIG. 6 is a schematic structural view of the mounting bracket of FIG. 1;
wherein: 1 is a filtering device, 101 is a water inlet, 102 is an upper cover, 103 is a flow guide mechanism, 104 is a grade I filter membrane and a support net, 105 is a grade II filter membrane and a support net, 106 is a grade III filter membrane and a support net, 107 is an O-shaped ring, 108 is a tensioning mechanism, 109 is a flow type diffusion mechanism, 110 is a bottom support, and 111 is a water outlet;
2, a fixing clamp, 201, 202, 203, 204, 205, 206, 207, 208, 209, 210, a fixing clamp, an upper pressing plate, 202, 203, a fixing bolt, a rotating shaft A, 205, a supporting rod, a lower pressing plate, 208, a rotating shaft B, a fastening bolt and a fastening nut;
3 is a flowmeter;
4, a control and power supply device, 401, an acquisition controller, 402, a power supply, 403, a watertight connector, 404, a sacrificial anode, 405, a left end cover, 406, a positioning bolt, 407, an O-shaped sealing ring, 408, a cylinder and 409, wherein the acquisition controller, the power supply, the watertight connector, the sacrificial anode, the positioning bolt, the O-shaped sealing ring, the cylinder and the right end cover are arranged in sequence;
5, an integrated deep sea pump, 501, a deep sea pump water tight-joint plug, 502, a through rod, 503, a deep sea pump O-shaped ring A, 504, a deep sea pump left end cover, 505, a deep sea pump fixing bolt, 506, a deep sea pump O-shaped ring B, 507, a hoop, 508, a rubber pipe, 509, a pressure plate, 510, a pressure pad, 511, a motor fixing rod, 512, a deep sea pump cylinder, 513, a direct current motor, 514, filling oil, 515, a positioning pin, 516, a deep sea pump right end cover, 517, a framework oil seal, 518, a connecting shaft and 519, a pump head;
6, an installation frame, 601, 602, a fixing plate and 603 are provided;
7 is a pressure-resistant water pipe, 8 is a water pipe, and 9 is a watertight cable.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 and 6, the present invention includes a mounting frame 6, and a filtering device 1, a fixing clamp 2, a flowmeter 3, a control and power supply device 4 and an integrated deep sea pump 5 which are respectively mounted on the mounting frame 6, wherein the mounting frame 6 includes a support frame 601, a fixing plate 602 and a mounting clip 603, the support frame 601 is a rectangular frame, and the fixing plate 602 is welded and fixed on the inner side of the support frame 601; the installation cards 603 are a plurality of U-shaped installation cards, and the flowmeter 3, the control and power supply device 4 and the integrated deep sea pump 5 are respectively fixed on the installation cards 603. The water outlet of the integrated deep sea pump 5 is connected with the water inlet 101 of the filtering device 1 through a pressure-resistant water pipe 7, and the water outlet 111 of the filtering device 1 is connected with the water inlet of the flowmeter 3 through a water pipe 8. The filtering device 1 is provided with a plurality of layers of filter membranes so as to realize graded filtration; the control and power supply device 4 is integrated in a cylindrical sealed cabin body and is connected with the integrated deep sea pump 5 through a watertight cable 9; the integrated deep sea pump 5 is capable of operating in situ in deep water.
As shown in fig. 2, the filtering device 1 includes an upper cover 102, a flow guiding mechanism 103, a tensioning mechanism 108, a flow diffusing mechanism 109, a bottom support 110, a multi-stage filter membrane and a support net, the flow guiding mechanism, the multi-stage filter membrane and the support net are located between the upper cover 102 and the bottom support 110, and are connected into a closed cavity through the tensioning mechanism 108, and the bottom support 110 is fixed on the mounting frame 6; in the embodiment, three stages of filter membranes and supporting nets which are stacked up and down are arranged, namely a stage I filter membrane and supporting net 104, a stage II filter membrane and supporting net 105 and a stage III filter membrane and supporting net 106; the pore size of the filter membrane in the first-stage filter membrane and the support net 104 is 10 micrometers, the pore size of the filter membrane in the second-stage filter membrane and the support net 105 is 1 micrometer, and the pore size of the filter membrane in the third-stage filter membrane and the support net 106 is 0.22 micrometer. The periphery of the flow guide mechanism 103 is a flow guide shell, and a plurality of flow guide holes are uniformly formed in the middle of the flow guide shell; the three-stage filter membrane and the support net in the support net are positioned at the periphery, and the filter membrane is positioned in the middle; the upper cover 102, the diversion shell, the tertiary filter membrane and the support net and the bottom support 110 in the support net are stacked together from top to bottom and are connected through the tensioning mechanism 108. The tightening mechanism 108 comprises a tightening bolt and a nut, wherein the tightening bolt is penetrated by the bottom support 110, the tertiary filter membrane, the support net in the support net, the flow guide shell and the upper cover 102 and is locked and fixed by the nut. Sealing is realized between the diversion shell and the upper cover 102, between the diversion shell and the supporting net in the I-grade filter membrane and supporting net 104, between the third-grade filter membrane and the supporting net in the supporting net, and between the supporting net in the III-grade filter membrane and supporting net 106 and the bottom support 110 through O-rings 107. A flow type diffusion mechanism 109 arranged on a base support 110 is arranged below the filter membrane and the support net (i.e. the grade III filter membrane and the support net 106) at the lowest stage, and the flow type diffusion mechanism 109 can be a filter net with the aperture of 50 microns. The water inlet 101 is screwed on the outer side of the upper cover 102, and the water outlet 111 is screwed on the outer side of the bottom support 110.
As shown in fig. 3, the fixing clip 2 includes an upper pressing plate 201, an upper clamping plate 202, a fixing bolt 203, a rotating shaft a204, a supporting rod 205, a lower clamping plate 206, a lower pressing plate 207, a rotating shaft B208, and a fastening screw, wherein the upper pressing plate 201 or the lower pressing plate 207 is fixedly mounted on the mounting frame 6, and in this embodiment, the lower pressing plate 207 is fixed on the mounting frame 6; two ends of the supporting rod 205 are hinged to one end of the upper pressure plate 201 and one end of the lower pressure plate 207 through a rotating shaft A204, the upper pressure plate 201 and the lower pressure plate 207 can rotate around the hinged position, the upper clamp plate 202 is fixed on the upper pressure plate 201 through a fixing clamp fixing bolt 203, the lower clamp plate 206 is fixed on the lower pressure plate 207 through a fixing clamp fixing bolt 203, and the upper clamp plate 202 and the lower clamp plate 206 are respectively installed on one side of the upper pressure plate 201 opposite to the lower pressure plate 207. The other end of the lower pressing plate 207 is hinged with a fastening screw, the fastening screw comprises a fastening bolt 209 and a fastening nut 210, one end of the fastening bolt 209 is hinged with the rotating shaft B208, and the other end of the fastening bolt is in threaded connection with the fastening nut 210. The upper clamp plate 202 and the lower clamp plate 206 are respectively aligned together with the rotation of the upper clamp plate 201 and the lower clamp plate 207 to clamp the cable in the middle, the fastening bolt 209 rotates into a groove at the other end of the upper clamp plate 201 after the upper clamp plate 201 and the lower clamp plate 207 are aligned together, and then the fastening nut 210 is screwed down to fix the upper clamp plate 201 and the lower clamp plate 207.
As shown in fig. 4, the control and power supply apparatus 4 includes an acquisition controller 401, a power supply 402, a sealed cabin and a watertight connector 403, the sealed cabin includes a cylinder 408, a left end cap 405, a right end cap 409, a sacrificial anode 404, a positioning bolt 406 and an O-ring 407, the outer shell of the sealed cabin is composed of the cylinder 408 and the left end cap 405 and the right end cap 409 installed at the left and right ends of the cylinder 408, the outer side walls of the combination of the left end cap 405, the right end cap 409 and the cylinder 408 are respectively cut with a sealing groove, and the O-ring 407 is placed in the sealing groove as a filler, so that the left end cap 405 and the right end cap 409 are respectively sealed with the cylinder 408, thereby forming a cylindrical sealed cabin. The watertight connector 403 and the sacrificial anode 404 are mounted on the left end cap 405 or the right end cap 409, respectively, and in this embodiment, the watertight connector 403 and the sacrificial anode 404 are mounted on the left end cap 405, respectively. The acquisition controller 401 of the present invention is a conventional technology, the acquisition controller 401 and the power source 402 are located in a sealed cabin, and the acquisition controller 401 is connected to the power source 402 and is connected to the watertight connectors 403, respectively.
As shown in fig. 5, the integrated deep sea pump 5 includes a sealing device, a dc motor 513, a pressure buffering device, a connecting shaft 518, a pump head 519, and a deep sea pump water sealing plug 501, the sealing device includes a deep sea pump cylinder 512, a deep sea pump left end cover 504 and a deep sea pump right end cover 516 hermetically connected to the left and right ends of the deep sea pump cylinder 512, the deep sea pump left end cover 504 and the deep sea pump right end cover 516 are respectively and fixedly connected to the left and right ends of the deep sea pump cylinder 512 by deep sea pump fixing bolts 505, and are respectively sealed with the left and right ends of the deep sea pump cylinder 512 by deep sea pump O-rings B506. The sealing device is filled with filling oil 514, a direct current motor 513 is accommodated in the sealing device through a motor fixing rod 511 and a positioning pin 515, the shaft end is abutted to the inner side of a right end cover 516 of the deep sea pump, and a pressure pad 510 and a pressure plate 509 are sequentially pressed between the tail end and the left end cover 504 of the deep sea. The pressure buffering device comprises a plurality of (two in the embodiment) through rods 502, a clamp 507 and a rubber hose 508, wherein the through rods 502 are hermetically mounted on a left end cover 504 of the deep sea pump through deep sea pump O-rings A503 respectively, one end of each through rod 502 is positioned outside the left end cover 504 of the deep sea pump and is in sealing contact with the outer side surface of the left end cover 504 of the deep sea pump, the other end of each through rod 502 is positioned inside the left end cover 504 of the deep sea pump, the rubber hose 508 is immersed in filling oil 514, two ends of each through rod are mounted on the other ends of the two through rods 502 through the clamp 507 respectively, the inside of the rubber hose 508 is communicated with the outside of the sealing device through the through rods 502, and the inside and the outside of the sealing device are kept to have the same pressure. The connecting shaft 518 is hermetically installed on the deep sea pump right end cover 516, one end of the connecting shaft located in the deep sea pump right end cover 516 is connected with the rotating shaft of the direct current motor 513 installed on the deep sea pump right end cover 516, and the other end of the connecting shaft located outside the deep sea pump right end cover 516 is connected with a pump head 519 installed on the deep sea pump right end cover 516. The deep sea pump water tight connector 501 is mounted on the left end cover 504 of the deep sea pump and is electrically connected with the direct current motor 513. Put skeleton oil blanket 517 on the deep sea pump right-hand member lid 516, worn the connecting axle 518 in the skeleton oil blanket 517, made connecting axle 518 through skeleton oil blanket 517 and deep sea pump right-hand member lid 516 sealing connection, the outside of deep sea pump right-hand member lid 516 is equipped with the fixed screw of pump head that is used for fixed pump head 519 along the axial.
The working principle of the invention is as follows:
the control and power supply device 4 controls the integrated deep sea pump 5 to work, seawater enters the filtering device 1 through the integrated deep sea pump 5, is guided by the guide holes of the guide mechanism 103 after entering from the water inlet 101, is filtered by filter membranes in all stages and support nets in sequence, is further filtered and diffused by the flow diffusion mechanism 109, and finally flows to the flowmeter 3 through the water outlet 111.
The invention can carry out high-flux in-situ fractional filtration in deep sea and has the advantages of saving ship time, obtaining samples in situ and the like.

Claims (8)

1. The utility model provides a high flux deep sea water sampling and hierarchical filtration system which characterized in that: the device comprises an installation frame (6), and a filtering device (1), a fixing clamp (2), a flowmeter (3), a control and power supply device (4) and an integrated deep sea pump (5) which are respectively installed on the installation frame (6), wherein the filtering device (1) is fixedly connected to the outer surface of the installation frame (6), the filtering device (1) comprises an upper cover (102), a flow guide mechanism (103), a tensioning mechanism (108), a bottom support (110), a multi-stage filter membrane and a supporting net, the flow guide mechanism, the multi-stage filter membrane and the supporting net are positioned between the upper cover (102) and the bottom support (110), and are connected into a closed cavity through the tensioning mechanism (108), a water inlet (101) communicated with a water outlet of the integrated deep sea pump (5) is formed in the upper cover (102), and a water outlet (111) communicated with the water inlet of the flowmeter (3) is formed in the bottom support (; the control and power supply device (4) is connected with the integrated deep sea pump (5) through a watertight cable (9) to control the integrated deep sea pump (5) to work, seawater is pumped to the filtering device (1) through the integrated deep sea pump (5), is guided by the guide mechanism (103) and then is filtered through a multistage filter membrane and a filter membrane in a supporting net, and the filtered seawater flows to the flowmeter (3) through the water outlet (111);
the periphery of the flow guide mechanism (103) is provided with a flow guide shell which is respectively connected with the upper cover (102), the filter membrane and the support net in a sealing way, the middle of the flow guide shell is uniformly provided with a plurality of flow guide holes, and the flow guide shell, the filter membrane and the support net in the support net are connected with the upper cover (102) and the bottom support (110) through a tensioning mechanism (108);
a flow type diffusion mechanism (109) arranged on a bottom support (110) is arranged below the filter membrane and the support net at the lowest stage.
2. The high throughput deep sea water sampling and staged filtration system of claim 1, wherein: the filter membranes and the support nets in the support nets are located at the periphery, the filter membranes are located in the middle, and sealing is achieved between the adjacent support nets, between the support nets and the bottom support (110) and between the support nets and the flow guide mechanism (103) through O-shaped rings (107).
3. The high throughput deep sea water sampling and staged filtration system of claim 1, wherein: the tensioning mechanism (108) comprises a tensioning bolt and a nut, the tensioning bolt penetrates through the bottom support (110), the filter membrane, the support net in the support net, the flow guide mechanism (103) and the upper cover (102), and the tensioning bolt is locked and fixed through the nut.
4. The high throughput deep sea water sampling and staged filtration system of claim 1, wherein: the fixing clamp (2) comprises an upper pressing plate (201), an upper clamping plate (202), a rotating shaft A (204), a supporting rod (205), a lower clamping plate (206), a lower pressing plate (207), a rotating shaft B (208) and fastening screws, two ends of the supporting rod (205) are hinged with one end of the upper pressing plate (201) and one end of the lower pressing plate (207) through the rotating shaft A (204) respectively, the upper pressing plate (201) and the lower pressing plate (207) can rotate around the hinged position, and the upper pressing plate (201) or the lower pressing plate (207) is installed on the installation frame (6); the other end of the lower pressure plate (207) is hinged with a fastening screw through a rotating shaft B (208), and the fastening screw is clamped and fixed at the other end of the upper pressure plate (201) after the upper pressure plate (201) and the lower pressure plate (207) rotate and are in butt joint; the upper clamping plate (202) and the lower clamping plate (206) are respectively arranged on one side opposite to the upper clamping plate (201) and the lower clamping plate (207), and the upper clamping plate (202) and the lower clamping plate (206) are respectively aligned together along with the rotation of the upper clamping plate (201) and the lower clamping plate (207) to clamp the cable in the middle.
5. The high throughput deep sea water sampling and staged filtration system of claim 1, wherein: the control and power supply device (4) comprises an acquisition controller (401), a power supply (402), a sealed cabin body and a watertight connector (403), wherein the sealed cabin body comprises a cylinder (408), a left end cover (405), a right end cover (409) and a sacrificial anode (404), the left end cover (405) and the right end cover (409) are respectively connected to the left end and the right end of the cylinder (408) in a sealing manner, and the watertight connector (403) and the sacrificial anode (404) are respectively installed on the left end cover (405) or the right end cover (409); the acquisition controller (401) and the power supply (402) are respectively arranged in the sealed cabin body, and the acquisition controller (401) is connected with the power supply (402) and is respectively connected with the watertight connector (403).
6. The high throughput deep sea water sampling and staged filtration system of claim 1, wherein: the integrated deep sea pump (5) comprises a sealing device, a direct current motor (513), a pressure buffering device, a connecting shaft (518), a pump head (519) and a deep sea pump water tight-sealing plug-in (501), wherein the sealing device comprises a deep sea pump cylinder (512), a deep sea pump left end cover (504) and a deep sea pump right end cover (516) which are respectively connected to the left end and the right end of the deep sea pump cylinder (512) in a sealing mode, filling oil (514) is filled in the sealing device, the direct current motor (513) is contained in the sealing device, the shaft end of the direct current motor is abutted to the inner side of the deep sea pump right end cover (516), and a pressure pad (510) and a pressure plate (509) are sequentially pressed between the tail end of the direct current motor (513) and the deep sea pump left end; the pressure buffering device comprises a plurality of through rods (502), a hoop (507) and rubber tubes (508), the through rods (502) are hermetically mounted on a left end cover (504) of the deep sea pump, one end of each through rod (502) is located on the outer side of the left end cover (504) of the deep sea pump and is in sealing abutment with the outer side surface of the left end cover (504) of the deep sea pump, the other end of each through rod (502) is located on the inner side of the left end cover (504) of the deep sea pump, the rubber tubes (508) are immersed in filling oil (514), the two ends of each through rod are mounted on the other end of any two through rods (502) through the hoop (507), the inner part of each rubber tube (508) is communicated with the outer part of the sealing device through the through rods (502), and the same pressure inside and outside of the sealing device is kept; the connecting shaft (518) is hermetically arranged on a right end cover (516) of the deep sea pump, one end positioned in the right end cover (516) of the deep sea pump is connected with a rotating shaft of the direct current motor (513) arranged on the right end cover (516) of the deep sea pump, and the other end positioned outside the right end cover (516) of the deep sea pump is connected with a pump head (519) arranged on the right end cover (516) of the deep sea pump; the deep sea pump water tight-joint plug-in (501) is arranged on a left end cover (504) of the deep sea pump and is electrically connected with the direct current motor (513).
7. The high throughput deep sea water sampling and staged filtration system of claim 6, wherein: be equipped with skeleton oil blanket (517) on deep sea pump right-hand member lid (516), connecting axle (518) are passed by this skeleton oil blanket (517), and this connecting axle (518) are through skeleton oil blanket (517) and deep sea pump right-hand member lid (516) sealing connection, and the outside of deep sea pump right-hand member lid (516) is equipped with the fixed screw of pump head that is used for fixed pump head (519) along the axial.
8. The high throughput deep sea water sampling and staged filtration system of claim 1, wherein: the mounting rack (6) comprises a support rack body (601), a fixing plate (602) and a mounting clamp (603), the support rack body (601) is a rectangular rack body, and the fixing plate (602) is welded and fixed on the inner side of the support rack body (601); the installation card (603) is U-shaped, and the flowmeter (3), the control and power supply device (4) and the integrated deep sea pump (5) are respectively fixed on the installation card (603).
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CN110333095B (en) * 2019-07-12 2021-10-26 杭州电子科技大学 Deep sea suction type plankton sampler
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